A device and method for improving multi-effect concentration and evaporation capacity

A technology of evaporation capacity and multi-effect concentration, which is applied in the field of chemical equipment, can solve the problems that the concentration capacity of multi-effect concentration devices is difficult to improve, and achieve the effects of reducing complicated procedures, simple structure, and improving concentration capacity

Active Publication Date: 2020-04-28
WENGFU DAZHOU CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a device for improving the evaporation capacity of multi-effect concentration, which is used to solve the technical problems existing in the prior art: the concentration capacity of the multi-effect concentration device is difficult to improve, etc.

Method used

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  • A device and method for improving multi-effect concentration and evaporation capacity

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Embodiment 1

[0033] A device for improving the evaporation capacity of multi-effect concentration, such as figure 1 As shown, it includes a multi-effect heating and evaporating mechanism, and the multi-effect heating and evaporating mechanism mainly includes a first-effect heating and evaporating component, a second-effect heating and evaporating component and a three-effect evaporating component;

[0034] The one-effect heating evaporation assembly includes a first-effect heater 11 and a first-effect separation chamber 12, the second-effect heating evaporation assembly includes a second-effect heater 21 and a second-effect separation chamber 22, and the three-effect evaporation assembly includes a three-effect heating device 31 and three-effect separation chamber 32, the one-effect heater 11, the second-effect heater 21 and the three-effect heater 31 are sequentially connected in series through the downstream pipeline 40, and the one-effect separation chamber 12 is respectively connected w...

specific Embodiment approach

[0037] Specific embodiments: The multi-effect concentration device provided by the present invention mainly includes a multi-effect heating and evaporating mechanism. Taking a three-effect concentration device as an example, the multi-effect heating and evaporating mechanism includes a first-effect heating and evaporating component, a second-effect heating and evaporating component and Three-effect heating evaporation components; each set of heating evaporation components includes a heater and a separation chamber, where the main function of the heater is to heat and generate steam, and the main function of the separator is to separate gas and liquid to generate secondary steam;

[0038] Take the concentration of clear mother liquor (low-concentration liquid that needs to be concentrated) as an example. When concentrating the clear mother liquor, first put the clear mother liquor into the first-effect heater 11 from the feed tank, and send it to the first-effect heater through t...

Embodiment 2

[0043] A device for improving the multi-effect concentration and evaporation capacity. This device takes four effects as an example, and the low-concentration liquid that needs to be concentrated is the clear mother liquor;

[0044] The multi-effect concentration device provided by the present invention mainly includes a multi-effect heating and evaporating mechanism. Taking a four-effect concentration device as an example, the multi-effect heating and evaporating mechanism includes a first-effect heating and evaporating component, a second-effect heating and evaporating component, and a three-effect heating and evaporating component. Components and four-effect heating evaporator components; each set of heating evaporator components includes a heater and a separation chamber, where the main function of the heater is to heat and generate steam, and the main function of the separator is to separate gas, liquid and air to generate secondary steam;

[0045] The specific implementat...

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Abstract

The invention discloses a device for improving the multi-effect evaporative concentration capacity. A multi-effect heating evaporation mechanism includes a single-effect heating evaporation assembly,a double-effect heating evaporation assembly and a triple-effect evaporation assembly; the single-effect heating evaporation assembly includes a single-effect heater and a single-effect separation chamber, the double-effect heating evaporation assembly includes a double-effect heater and a double-effect separation chamber, the triple-effect evaporation assembly includes a triple-effect heater anda triple-effect separation chamber, the single-effect heater, the double-effect heater and the triple-effect heater are sequentially connected in series through a downstream pipeline, the single-effect separation chamber is respectively connected with the top and the bottom of the single-effect heater, the double-effect separation chamber is respectively connected with the top and the bottom of the double-effect heater, and the triple-effect separation chamber is respectively connected with the top and the bottom of the triple-effect heater; each of the single-effect heating evaporation assembly and the double-effect heating evaporation assembly also includes a steam tube capable of generating steam; the steam tubes are respectively correspondingly connected with the single-effect heater and the double-effect heater; and the device also includes a secondary steam tube, and the double-effect separation chamber is connected to with the triple-effect heater through the secondary steam tube.

Description

technical field [0001] The invention relates to the technical field of chemical equipment, in particular to a device and method for improving multi-effect concentration and evaporation capacity. Background technique [0002] To concentrate means to increase the concentration of a solution by evaporating the solvent. [0003] Multi-effect concentration devices often need to evaporate a large amount of water in large-scale industrial production, which requires a large amount of energy to heat water to generate steam. [0004] Multi-effect concentration is to pass heating steam into a heater, and the solution is heated to boil. In multi-effect evaporation, the secondary steam can be used as heating steam and introduced into another heater, as long as the pressure of the latter evaporation chamber and the boiling point of the solution are equal. Lower than that in the original evaporator, the introduced secondary steam can not only play the role of heating heat source. [0005...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D1/26B01D1/30
CPCB01D1/0041B01D1/26B01D1/30
Inventor 冉瑞泉
Owner WENGFU DAZHOU CHEM CO LTD
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